EP2189341B1 - Drying method and device for treatment devices of vehicles - Google Patents
Drying method and device for treatment devices of vehicles Download PDFInfo
- Publication number
- EP2189341B1 EP2189341B1 EP20090176667 EP09176667A EP2189341B1 EP 2189341 B1 EP2189341 B1 EP 2189341B1 EP 20090176667 EP20090176667 EP 20090176667 EP 09176667 A EP09176667 A EP 09176667A EP 2189341 B1 EP2189341 B1 EP 2189341B1
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- European Patent Office
- Prior art keywords
- nozzle
- drying
- drying device
- blower
- duct
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S3/00—Vehicle cleaning apparatus not integral with vehicles
- B60S3/002—Vehicle drying apparatus
Definitions
- the invention relates to a drying method and a drying device for treatment facilities of vehicles, especially car washes, with the features in the preamble of the main claim.
- the drying nozzle shown here has intersecting nozzle boxes, each with a blower mounted on the edge, the nozzle boxes extending beyond the center of the drying nozzle and the portal and on the opposite side of the fan have a nozzle slot for the outlet of the dry air.
- the nozzle boxes can each extend to the opposite edge of the drying nozzle and under the local blower.
- the nozzle slots of the two Nozzle boxes complement each other and form a continuous air outlet opening, which can extend over the entire width of the drying nozzle. At the front ends of the nozzle boxes, the flow velocity and the pressure in the nozzle box or in the inner flow channel drops.
- the EP 1 147 957 A2 shows a drying device with two fans arranged in a portal, with the blowers each two separate nozzle boxes connect with horizontal and vertical orientation.
- the WO 2005/105532 A1 deals with a drying device, the four fans have their own separate nozzle boxes, each with an outlet opening.
- the invention solves this problem with the features in the preamble of the main claim.
- the branching of the flow channel has several advantages in terms of air flow, the nozzle design, the fan assembly and training and the space.
- the outflow velocity of the drying air and the pressure in the flow channels or the channel sections can be better controlled and maintained.
- a side jet may be emitted whose properties can be adjusted by the design of the branched channel section, separate from the central beams emerging from the inner opening sections.
- channel sections can be designed independently of each other and adapted to the particular desired or required flow conditions.
- the flow and pressure loss can be kept low despite the long flow path from the fan to the opposite nozzle box end and the local outlet opening.
- the side beam can be targeted to the side surface of the vehicle while maintaining a desired inclination or direction.
- the side beam may also have a high beam strength or flow velocity. For this purpose, an early diversion behind the fan and an adapted design of the channel section can be favorable.
- the width of the drying nozzle can be optimally utilized and kept small, which is possible despite externally mounted blower.
- the complete drying nozzle can be accommodated within a portal opening.
- the length of the entire air outlet opening of the drying nozzle can be maximized and can reach to the edges of the drying nozzle.
- the blowers do not have to be like the EP 0 965 505 A2 Connect to the outside of the air outlet opening and thereby unnecessarily increase the width of the drying nozzle.
- the branched or outer channel portion can be directed around another fan, which can be done especially on the outside.
- This channel section can retain a substantially rectangular box shape with optimal flow conditions for the dry air flow until a possible constriction shortly before the opening section.
- the side beam can be directed to the vehicle separately from the center beam.
- it can be directed to the side surface of the vehicle, which can be done with an oblique or straight alignment.
- optimal drying results are achieved by the center and side beams.
- the branched channel section with its deflection can be mounted laterally on the blower housing and a possibly there spiral section and on a first common channel section of the other nozzle box.
- the drying nozzle receives a compact design and has despite improved flow conditions the same small size as the prior art dry nozzle from the EP 1 627 788 A1 ,
- the claimed dry nozzle can Baumerkmale this prior art dry nozzle from the EP 1 627 788 A1 take. But it can also be designed in other ways.
- a multi-part design of the drying nozzle with intersecting nozzle boxes is favorable for the drying effect on the vehicle. This and the enlarged nozzle box length allow the dry air flows to be better guided and aligned.
- Dry air streams with different outlet directions can be directed onto the vehicle from the various nozzle boxes.
- a roof nozzle this has the advantage that the water on the upper or horizontal vehicle surfaces, such as bonnet, roof, trunk lid, front and rear windows, etc. can be deported with obliquely impinging air jets from the center to the left and right. The water is removed better overall and residue-free. Water towing is largely avoided. It is particularly favorable that can be aligned obliquely to the vehicle longitudinal axis or direction through the nozzle design of the exiting dry air flow, so that added by this skew another, the water even better abortive direction component.
- the claimed drying device is very narrow and light despite branched flow channels and crossing nozzle boxes. It can also be accommodated in cramped conditions in a laundry portal. Despite several nozzle boxes, the drying nozzle is not significantly wider than a single nozzle box with fan. This is the angled and multiaxial tapered nozzle box shape and the mutually snug arrangement of the nozzle boxes advantage.
- the fans can be arranged to save space further inside of the drying nozzle, the width of which can be optimally used for the dry air flow and its outlet to the vehicle.
- the claimed design can also achieve a maximum length of the air outlet opening while maintaining optimal flow conditions of the dry air, the opening length is greater than in conventional drying nozzles.
- the long air outlet opening is created by the interaction of the individual nozzle slots.
- the nozzle boxes can be designed differently. They can be arranged separately or have common box sections. In the one variant, similar to the EP 1 627 788 A1 is designed, the front ends of reaching over the vehicle center and possibly crossing nozzle boxes can reach below the slightly higher blower of the other nozzle box and so maximize the length of the nozzle slots. In the other variant, the branched outer channel sections intersect, wherein the other channel sections may optionally have a common box area.
- the overlapping area of the nozzle slots which is advantageous in the case of a roof nozzle, is advantageous. is arranged in the nozzle or plant center and usually also in the vehicle center. This overlap area has a particularly favorable effect on the abortion of the water.
- the crossed nozzle boxes and the far apart arrangement of blower and nozzle slot also offers the advantage of a favorable flow of the Dry air in the nozzle boxes and the long flow channels formed there.
- the drying air can be steered better and safer in its flow direction within the flow channel and at the exit from the nozzle slot at the channel end. Flow losses are largely avoided.
- the blower output can be better utilized. Smaller and quieter blowers can be used compared to conventional dryers.
- the claimed drying nozzle is particularly suitable for use as a substantially horizontal roof nozzle.
- the favorable properties are additionally supported by a controlled according to the vehicle height contour raising and lowering the roof nozzle by means of a lifting guide in a portal or a stand.
- the roof nozzle can be used both in gantry washing systems, as well as in dry stations of car washes, clock systems or the like. Otherwise, the drying nozzle is also suitable for any other areas of use, in particular with appropriate adaptation as a side nozzle.
- FIG. 1 shows in a front or end view and in a schematic representation of a treatment device (1) for vehicles (2), which is designed in this case as a car wash, in particular as a gantry car wash. Alternatively, it may be a car wash, a clock or any other embodiment of a car wash.
- the treatment device (1) has in the various variants in each case a predetermined direction of travel (5) for the vehicles (2) and / or for their device components. In a further modification, the treatment device (1) can also be designed as a polishing system or the like.
- the gantry washing system (1) has at least one frame (3) which can be moved in the direction of travel (5) relative to the eg stationary vehicle (2) and which can have any shape and is preferably designed as a U-shaped gantry.
- frame or portal (3) various treatment units are arranged.
- this is an arbitrarily designed washing device (6), of which, for example, for the sake of clarity, only wheel washing brushes are shown.
- the washing device (6) can have roof and side brushes, high-pressure washing devices and / or other washing units.
- application devices for water, cleaning agents, desiccants, preservatives and the like are necessary.
- the portal (3) can stand and the vehicle (2) through the portal (3) in the direction of travel (5) are towed.
- the portal (3) and the vehicle (2) can be mobile and can be moved relative to one another in the direction of travel (5).
- the treatment device (1) further has a drying device (7) which has at least one drying nozzle (8).
- the drying nozzle (8) can have at least one attached or entrained fan (11, 12).
- two blowers (11,12) are provided. Their number can also be larger.
- the blowers (11, 12) may be arranged on the side edge regions of the drying nozzle (8) and opposite one another.
- the drying nozzle (8) is a substantially horizontally oriented and arranged above the vehicle (2) roof nozzle, which is aligned transversely to the direction of travel (5) of the vehicle (2) and / or the portal (3).
- FIGS. 2 to 8 and FIGS. 9 to 13 show various embodiments of such a roof dryer nozzle (8).
- the drying nozzle (8) in particular roof nozzle, by means of a driven and controllable, guided lifting device (31) on the gantry uprights, e.g. a vertical or oblique rail guide, with respect to the vehicle (2) are moved up and down and can be set and tracked in pursuit of the contour of the contour of the vehicle to an optimal distance from the applied vehicle surface.
- a driven and controllable, guided lifting device (31) on the gantry uprights e.g. a vertical or oblique rail guide
- the vehicle contour can be recorded and stored contactless in height and / or width by means of an entrained detection device (56), for example an optical sensor or camera arrangement, an ultrasonic sensor system or the like. A contour detection can also be done elsewhere, the contour or control data to the drive of the lifting guide (31) are reported.
- the roof nozzle (8) can also be arranged pivotably on the lifting device (31) about its longitudinal axis. On the lifting device (31) and the pivoting arrangement can be omitted alternatively.
- the drying nozzle (8) may be formed in one or more parts and e.g. have one or two nozzle units (9,10). There may also be more nozzle units. The nozzle units (9,10) can in turn be connected together to form a compact unit.
- FIGS. 1 to 13 a multi-part drying nozzle (8) with two nozzle units (9,10) and described in the design as a roof nozzle.
- the features apply with appropriate adjustment even for those at the end too FIG. 14 described variant of a one-piece drying nozzle (8) and for the modification not shown with more than two nozzle units (9,10) and an arrangement as a side nozzle or the like ..
- the nozzle units (9,10) each consist of a nozzle box (13,14) and at least one associated fan (11,12).
- the blower (11,12) are, for example, at the end connected to their nozzle boxes (13,14), preferably grown at the box end, and can be moved in the lifting and possibly pivoting movements of the drying nozzle (8).
- the blower (11,12) at another location, for example, stationary in the portal (3) and arranged with its nozzle box (13,14) preferably connected or connected at the ends by a flexible or adjustable cable.
- the nozzle boxes (13, 14) are aligned with their longitudinal extent (30) essentially transversely to the direction of travel (5) or along the main portal plane. This includes an oblique box arrangement.
- the nozzle boxes (13, 14) guide the drying air from the fan (11, 12) through an internal or internal flow channel (17, 18) to an outlet opening (19, 20) arranged at the channel end, at which the air flow (22, 23 ) exits to the vehicle (2).
- the outlet opening (19, 20) is preferably slit-shaped and is narrower than the flow channel (17, 18), which tapers correspondingly to the outlet opening (19, 20).
- the outlet opening (19, 20) is oriented mainly in the longitudinal extent (30) of the nozzle box (13, 14).
- the outlet opening (19, 20) is also oriented essentially transversely to the direction of travel (5) or along the main portal plane. From the blower (11, 12) connected or mounted at the lateral or front end of the nozzle box (13, 14), the air flows essentially transversely to the direction of travel (5) or along the main portal plane into and through the nozzle box (13, 14) ).
- the flow channel (17, 18) has a branch (42) into at least two separate channel sections (44, 45). There may also be three or more channel sections (44, 45).
- the channel sections (44, 45) are mutually shielded and run at a spatial distance from one another.
- the channel sections (44,45) also have different shapes in cross-section and longitudinal extent. They also have their own, separate walls that are closed on the periphery.
- the branch (42) is arranged between the fan (11, 12) and the outlet opening (19, 20) of the nozzle box (13, 14).
- the one outer channel section (45) extends up to the side of the nozzle box (13, 14) opposite the own blower (11, 12) and the drying nozzle (8). From the outer channel section (45) emerges a vertical or oblique side beam (40,41) to the vehicle (2), in particular to its side surface.
- the outer channel section (45) extends to another fan (12).
- the blower (12) may belong to its own or to another nozzle box.
- the outer channel section (45) can be guided into the vicinity of the other fan (12, 11) and open outwards there.
- the outer channel section (45) can be guided around another fan (12, 11) of a possibly different nozzle box (14, 13). It runs, for example, above and on the outside of the other fan (12,11) and surrounds this with a deflection (46,47) of about 90 ° or more.
- the other inner channel section (44) may terminate before this other fan (12, 11). If necessary, he can also reach below this other blower (12, 11). Show for this FIGS. 2 to 8 and FIGS. 9 to 13 different embodiments.
- the nozzle boxes (13, 14) can be fluidically separated and sealed off from one another, so that no mutual passage of air takes place.
- the possibly angled nozzle boxes (13, 14) can cling to one another and optionally also intersect one another.
- the nozzle boxes (13, 14) are arranged one behind the other transversely to the longitudinal axis (30) of the drying nozzle (8) or in the direction of travel or transverse direction (5).
- the nozzle boxes (13, 14) are in this case preferably built close to one another and, with their blowers (11, 12), are compact with one another Assembly of the drying nozzle (8) connected.
- the nozzle boxes (13, 14) with their adjoining outlet openings (19, 20) preferably extend essentially over the entire width of the drying nozzle (8) and the portal opening and terminate shortly before the guide (31). They can extend over the roof width and the total maximum width of the vehicles (2), so that the escaping dry air covers the entire vehicle roof and also on both sides in possibly vertical or oblique side beams (40,41) on the side surfaces of the vehicle ( 2) is directed.
- the fans (11,12) are preferably also within the rack or portal opening.
- the nozzle boxes (13, 14) have a long flow channel (17, 18), which starts from the blowers (11, 12) arranged on the outside.
- FIGS. 2 to 8 extends the flow channel (17,18) in each case over the center (4) of the drying nozzle (8) and opens at the end of the downwardly open outlet opening (19,20).
- the center (4) of the drying nozzle (8) can also be the center of the portal (3) or of the vehicle (2).
- the outlet openings (19, 20) are arranged at a considerable distance from their associated fan (11, 12) and are opposite their fan (11, 12) beyond the center (4).
- FIG. 1 and 3 show this with a complete drying nozzle (8).
- the dry air is sucked in each case at one edge of the drying nozzle (8) and blown in the closed flow channel (17,18) over the middle (4) or a vehicle half away to the outlet opening (19,20) on the other side and there on the vehicle (2) directed.
- the fans (11,12) suck outside air, in particular ambient air, and blow them in the respectively connected nozzle box (13,14).
- the blower (11,12) may be designed constructively in any way. They are preferably radial fans, which suck in the ambient air axially through an opening (52) and blow out radially at their circumference. They each have a motor (53), e.g. an electric motor, and a fan or other suitable moving body for the dry air.
- the motors (53) are e.g. aligned along the direction of travel (5) and may be located on the same side of the drying nozzle (8), e.g. the front.
- the suction openings (52) are located axially opposite to the nozzle rear side.
- the motors (53) can also be arranged on the opposite side of the nozzle and / or have a different orientation.
- the blowers (11,12) for the sake of clarity, only the motors and the intake ports are shown, wherein the other structural details are not shown. Only the fan rotation axes are indicated by dotted lines.
- the fans (11, 12) can each be surrounded by a spiral area (15, 16) or spiral plate of the nozzle box (13, 14) that widens outwards and upwards, which is not shown in detail.
- the respective flow channel (17, 18) is connected.
- FIG. 3 illustrates this arrangement, wherein the front nozzle box (14), which starts from the left blower (12), which is also divided into sections air flow (23) is marked with arrows.
- the other rear nozzle box (13) with the associated right blower (11) has a corresponding, reversed or mirrored training.
- the following explanations to a nozzle box (14) therefore apply accordingly to the other nozzle box (13).
- the nozzle box (14) connects to the mouth of the blower outlet or the outlet of the spiral area (16) above the fan (12).
- a first initial channel section (43) is formed on the flow channel (18). This extends from the mouth portion to the right to about the middle (4) and is divided there at the junction (42) in at least two channel regions (44,45).
- the one inner passage portion (44) extends downwardly and terminates at an inner opening portion (48) of the exhaust port (20), which extends from the center (4) to an area in front of or below the right blower (11) (53) is enough.
- the central jet (55) of the dry air is
- the other outer channel portion (45) extends in the upper box area substantially horizontally or slightly inclined upward to the opposite side of the drying nozzle (8) and is in the deflection (47) above and around the motor (53) of the right blower (11 ) led around.
- the deflection (47) surrounds the fan (11) at an angle of about 90 ° or more and lies in front of or on its spiral region (12). It then extends down to the outer opening portion (49) of the outlet opening (20). This is located on the outer edge of the drying nozzle (8) and is according to FIG. 1 arranged at the usual vehicle widths of eg cars beyond the vehicle roof.
- the branched air flow (51) in the channel section (45) is guided in an arc and can thereby as an exiting side jet (41) inwardly directed to the adjacent side surface of the vehicle (2) Twist or an oblique flow direction obtained.
- the skew orientation may also be effected or assisted by an inwardly sloping outer wall (50) at the end of the channel section (45).
- FIG. 1 shows this oblique orientation of the side beam (41).
- the side beam (41) may have another and e.g. have vertical exit direction.
- the branch (42) can be located at the mouth of the fan outlet or the outlet of the spiral portion (16), the inner and outer channel portions (44, 45) opening here and parallel and separated in the initial portion (43) run.
- the other nozzle box (13) has a corresponding and reversed shape with the branch (42) and the channel sections (43,44,45), wherein at the outlet opening (19) a central jet (54) and a side jet (40) emerge.
- the opening sections (48, 49) are, for example, slot-shaped and may have substantially the same width or slot width.
- the outer opening portions (49) may also be wider.
- the opening portions (48,49) adjoin one another in the longitudinal direction, which can be done directly adjacent or with the small distance shown. They can be arranged separately and separated from each other at the bottom of the drying nozzle (8). Alternatively, they can, if necessary, with a partition, abut each other. They can also merge into each other. From the outer opening portion (49) exits the side beam (41).
- FIG. 3 and 4 illustrate the opening sections (48,49) by a cross-hatching.
- the flow velocities in the inner and outer channel sections (44, 45) may be substantially equal, with the side jet (40, 41) having an equal or possibly lower intensity than the central jet (54, 55).
- the side beam (40, 41) may be stronger than the center beam (54, 55).
- the outlet openings (19, 20) have a limited length and form, for example, an overlap (21) with their inner opening sections (48) around the center (4) in close lateral proximity.
- the opening sections (48) extend with their rear end a small distance beyond the center (4).
- the outlet openings (19,20) each have a length of about half or a little more of the dry nozzle width.
- FIG. 3 and 4 clarifies this arrangement with a view of the nozzle bottom.
- the outlet openings (19,20) may have an angled longitudinal course, the FIG. 3 and 4 is apparent.
- the inner opening portions (48) in the region around the center (4) around and up to the front edge of the blower (11,12) obliquely to the longitudinal axis (30) of the drying nozzle (8) or obliquely to the travel or transverse direction (5) aligned location.
- the opening sections (48) run parallel and along a center wall (34) explained below.
- the outlet openings (19, 20) and the outer opening sections (49) are again aligned along a bend along the axis (30) of the drying nozzle (8) and lie in a parallel position on opposite sides Sides of the drying nozzle (8).
- the outlet openings (19, 20) together form an air outlet opening (28), which extends over the entire width of the drying nozzle (8).
- the Heilausströmö réelle (28) has two kinks and shows in the bottom view an oblique S-shaped curve with said overlap point (21) at the center (4).
- the nozzle boxes (13,14) are formed substantially the same and directed against each other or arranged in opposite directions. They have a multiaxial tapered aerodynamic shape that also benefits the size. Due to the opposition and the rejuvenations they nestle in the transverse direction (5) close to each other. In this case, they can at least partially have a common oblique to the longitudinal axis (30) and parallel to the nozzle slots (19,20) extending inner wall (35) or lie flat with their own inner walls in this area together.
- the initial channel portion (43) has in the upper part of a substantially U-shaped cross-section with substantially rectangular roof and side walls and an approximately constant cross section, which corresponds to the mouth cross section and extends to approximately the center (4).
- In the lower part of the channel portion (43) has a wedge-shaped cross-section with an oblique wall, which is angled on the one hand to the inner wall and on the other hand obliquely downward to the outlet opening (19,20).
- the upper part is angled in two directions. He has in the front view of FIG. 5 and 7 a horizontal or slightly inclined downward course and in the plan view of FIG. 6 an oblique course along the inner wall (35).
- the inner channel portion (44), similar to the starting portion (43) has an upper U-shaped portion and a lower wedge-shaped portion which tapers toward the inner opening portion (48).
- the upper part is inclined downwards, reducing its height.
- the outer channel section (45) has a box-shaped or rectangular cross-section whose width decreases wedge-shaped from the branch (42) to the shaft height of the other blower (11, 12) and then in the subsequent 90 ° bend (46, 47). stays the same. During this course, the channel section (45) keeps its height or slightly increases it.
- FIG. 6 shows the width change in the plan view and FIG. 5 and 7 the height change in the front view. The shape is low in order to reduce flow losses over the long channel path and designed accordingly.
- the top and the upper baffle (32) of the nozzle boxes (13,14) and the channel sections (43,44,45) may have a trough-shaped course and from the point above the fan (11,12) and the mouth of the spiral area (15,16) from with a slightly downward sloping position to the vicinity of the center (4) and extend to a kink (34) and then be directed upward again.
- the kink point (34) can lie in the flow direction before the branch (42).
- the upper baffle (32) may alternatively extend substantially straight.
- the bottom of the box and the lower, also at the mouth of the spiral area (15,16) subsequent baffle (33) are more inclined downwards.
- the channel sections (43,44) receive a sloping and at the same time to the opening area (48) towards expanding form.
- the lower baffle (33) also extends approximately to the level of the aforementioned kink (34), is from there more inclined downwards and then passes into a vertical wall portion, which lies in front of the center (4) and the rear end of the nozzle slot (34). 19,20).
- the nozzle housing (13,14) from the edge blower (11,12) starting over the length to the opposite front end (26,27) has an overall decreasing box width and a laterally tapering, tapered shape
- the upper baffles (32) initially retain their original width and even bend slightly outward at the beginning of the inclined inner wall (35).
- the outer edge of the guide plates (32) then extends parallel to the longitudinal axis (30) further to the front end (26,27), which results in the interaction with the inclined center wall (35), the taper.
- the inner wall (35) extends in the region of the front end (26,27) after the kink in the nozzle slot (19,20) also parallel to the longitudinal axis (30).
- the lower baffles (33) have a similar shape in their width shape.
- nozzle boxes (13,14) on their outer side walls (36) at several points and in particular in the lower area near the nozzle slots (19,20) lateral folds (37) having a taper and funnel-shaped narrowing of the flow channel (17,18 ) and the inner channel portion (44) down to the inner opening portions (48) cause.
- the outer channel portion (45) after the deflection (46,47) such a fold (38) and a subsequent funnel-shaped constriction, wherein its width in front view remain the same or increase.
- Up to the Bends (37,38) have the channel sections (43,44,45) the aforementioned box shape with the essential U-shaped cross-section.
- the nozzle slots (19,20) may be present at the bottom of a longitudinally running gutter (39) for dripping water.
- FIG. 3 also illustrates the air flows (22,23,51) in the front nozzle box (14) and its sections (43,44,45) of the flow channel (18).
- the hidden course of the rear view nozzle box (13) is not shown.
- the nozzle boxes (13, 14) and the flow channels (17, 18) increasingly increase in size from the blow-out point in the vicinity of the fan to the nozzle slots (19, 20), decreasing in width .
- By reducing the box or channel width creates a nozzle effect.
- the dry air is guided along the upper baffles (32) with a smooth flow and high speed along and also reaches the front ends (26, 27) which are relatively far away from the fans (11, 12) with high flow velocity.
- At the nozzle slots (19,20) creates a largely uniformly exiting the nozzle cross-section dry air flow.
- the middle jet (54, 55) of the dry air can also emerge obliquely from the inner opening sections (48) of the outlet openings (19, 20), as indicated by the arrows (24, 25) in FIG FIG. 1 and 3 is clarified.
- the outflow directions (24, 25) are in each case directed away from the center (4) to the outside and to the associated front ends (26, 27).
- the oblique flow direction drives the water from the overhead vehicle surfaces, eg the in FIG. 1 shown vehicle roof, from the center (4) and the local overlap area (21) to the left and right away to the Outside of the vehicle (2).
- the concentrated exiting air flow in the overlapping region (21) is particularly favorable and ensures a strong, to the left and right dividing driving effect for the water on the vehicle surface.
- Favorable here is also the oblique to the direction of travel (5) directed course of the channel sections (44) and the central beams (54,55).
- the water can flow easier and better, with liquid residues are largely avoided.
- the side jet (40, 41) emerging from the outer opening sections (49) can be directed straight or obliquely to the side surfaces of the vehicle (2) and drives the draining water further downwards. This can be reinforced by additional side jets, but this is not absolutely necessary.
- FIG. 5 and 7 illustrate in the end view, the lower edge (29) of the nozzle boxes (13,14), which also limits the nozzle slots (19,20), a slight arrow-shaped bending of the edge profile of the raised center (4) to the slightly lower Front ends (26,27) show.
- a straight continuous edge course is possible.
- FIGS. 9 to 13 show a variant of the drying nozzle (8). This has, as in the first embodiment, two nozzle units (9,10) or two nozzle boxes (13,14) with end-mounted or connected blowers (11,12) and a main orientation transverse to the direction of travel (5).
- each of the inner opening portion (48) on the associated fan (11,12) adjacent vehicle side extends to the middle (4) or slightly beyond.
- the other outer opening portion (49) is located at the opposite end of the box beyond the center (4). Accordingly, the inner and outer channel sections (44, 45) are arranged and aligned.
- the branch (42) is arranged at a considerable distance in front of the center (4), whereby the common channel section (43) is shortened accordingly.
- the branch (42) is e.g. just behind the upper end of the spiral section (15, 16) of the radial fan (11, 12) or at another fan exit point.
- the branched outer channel section (45) is guided in a flat tube over the middle in a raised position and with a substantially horizontal course to the opposite end of the box and deflected there in a bend (46,47) downwards, the channel end obliquely may be directed inside or to the center (4).
- the opening portion (49) may have the same cross-section as the other portions of the channel portion (45).
- the nozzle boxes (13,14) in the direction of travel (5) are arranged one behind the other and nestle against each other.
- the channel section (45) of the two nozzle boxes (13, 14) intersect in the area of the center (4) and are guided over one another.
- the channel sections (45) with their respective deflection (46, 47) surround the blower (11, 12) or its motor (53) of the respective other nozzle box (14, 13).
- the inner channel sections (44) of the two nozzle boxes (13, 14) are directed obliquely downwards from the branch (42) and open in front of or at the center (4).
- the associated opening portions (48) can according to FIG. 13 extend exactly in the box longitudinal direction (30) or transverse to the direction of travel (5) and in the main plane of the portal (3).
- the opening portions (48) of both nozzle boxes (13,14) can also be aligned with each other.
- the outer opening portions (49) of the channel sections (45) can be aligned transversely to said longitudinal extent (30) and direct by their rectangular mouths a flat side beam (40,41) against the side surfaces of the vehicle (2).
- the nozzle boxes (13, 14) can also be completely separated from each other structurally and fluidically in the second embodiment.
- the inner channel sections (44) may have a common box area (58), wherein only in the region of the center (4) a mutual partitioning of the channel sections (44) by the oblique flow-conducting channel walls (59).
- the contact point of the oblique channel walls (59) may be slightly offset from the nozzle opening.
- the other oblique and the own blower (11,12) facing channel walls (60) can be issued so far outward to form a funnel-shaped flared channel portion (44) that they just before the outer opening portion (49) of the other nozzle box ( 14,13) and also reach below the fan (12,11) range.
- the arrangement of end fittings (57) on the drying nozzle (8) At These fittings (57), the lifting device (31) or the guide not shown in the second embodiment attack.
- the components (47) of a preferably non-contact detection device (56) can also be arranged on the fittings (47), which, for example, has one or more optical sensors, in particular in the form of light barriers, reflected light sensors or the like.
- the drying nozzle (8) is designed in several parts and has two or more nozzle units (9, 10) together with nozzle boxes (13, 14).
- FIG. 14 schematically illustrates a variant with a single nozzle unit (9) or a single nozzle box (13). This is, for example, according to the shape in the second embodiment of FIGS. 9 to 13 designed, wherein the inner channel region (44) ends before or in the region of the center (4).
- a design according to the first embodiment with an inner channel section (44) arranged beyond the middle (4) is also possible.
- Such a single drying nozzle (8) can be used, for example, as a side nozzle, wherein the outer channel section (45) directs its own air jet depending on the rotational position on the roof or the sill area of a vehicle (2).
- the nozzle unit (9) shown can also be used as a roof nozzle, wherein a plurality of separate nozzle units (9, 10) are arranged at a distance one behind the other or, if necessary, at their own portals or racks (3).
- a multi-part drying nozzle (8) with a construction spread in the direction of travel (5) can thus likewise be formed.
- the drying nozzle (8) shown can also be used as side nozzle with appropriate adaptation in the shaping. Furthermore, it is possible to provide only one or more than two nozzle units (9, 10). In addition, it is possible to increase the overlap area (21). Also variable is the structural design of the nozzle boxes (13,14) and the blower (11,12). These may be formed, for example, as axial fan.
- the drying nozzle (8) can also manage without the shape adjustments and conformations of the nozzle boxes (13,14) and build correspondingly wider, eg similar to in the DE 31 28 965 A ,
- the branching of flow channels can also be used with nozzle boxes, the flow channel is guided to an inner opening portion, which is located in front of the center (4).
- the branched-off channel section (45) can be guided over the middle (4) and around a possibly existing opposite blower.
- nozzle boxes (13,14) they do not necessarily cross and need not have adjoining outlet openings.
- the nozzle boxes (13, 14) can also be arranged independently one after the other and have separate outlet openings (19, 20) arranged one behind the other in the direction of travel (5). These outlet openings may have a larger overlap (21) in the middle (4) and have a greater length than in the previously described embodiments.
- the described and presented as alternatives features of the various embodiments can be arbitrarily combined or reversed.
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- Drying Of Solid Materials (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Description
Die Erfindung betrifft ein Trocknungsverfahren und eine Trockeneinrichtung für Behandlungseinrichtungen von Fahrzeugen, insbesondere Autowaschanlagen, mit den Merkmalen im Oberbegriff des Hauptanspruchs.The invention relates to a drying method and a drying device for treatment facilities of vehicles, especially car washes, with the features in the preamble of the main claim.
Bei Autowaschanlagen ist es aus der Praxis bekannt, für die Fahrzeugtrocknung eine Trockeneinrichtung mit einer Dachdüse und ggf. mehreren Seitendüsen nebst Gebläsen vorzusehen. Diese horizontal bzw. im wesentlichen vertikal ausgerichteten Trockendüsen sind üblicherweise einteilig ausgebildet und besitzen jeweils einen Düsenkasten mit einem Gebläse. Bei Dachdüsen kommt es bisweilen vor, dass an einem Düsenkasten zwei Gebläse angeordnet sind. Die
Aus der
Die
Die
Es ist Aufgabe der vorliegenden Erfindung, eine weiter verbesserte Trockentechnik aufzuzeigen.It is an object of the present invention to provide a further improved drying technique.
Die Erfindung löst diese Aufgabe mit den Merkmalen im Oberbegriff des des Hauptanspruchs.
Die Verzweigung des Strömungskanals hat verschiedene Vorteile hinsichtlich der Luftführung, der Düsengestaltung, der Gebläseanordnung und -ausbildung sowie der Raumverhältnisse.The invention solves this problem with the features in the preamble of the main claim.
The branching of the flow channel has several advantages in terms of air flow, the nozzle design, the fan assembly and training and the space.
Einerseits kann über die Breite der Trockendüse die Ausströmgeschwindigkeit der Trockenluft und der Druck in den Strömungskanälen bzw. den Kanalabschnitten besser gesteuert und aufrechterhalten werden. Insbesondere kann in den äußeren Öffnungsabschnitten der Auslassöffnungen des oder der Düsenkästen ein Seitenstrahl emittiert werden, dessen Eigenschaften durch die Gestaltung des abgezweigten Kanalabschnitts getrennt von den aus den inneren Öffnungsabschnitten austretenden Mittelstrahlen eingestellt werden kann.On the one hand, over the width of the drying nozzle, the outflow velocity of the drying air and the pressure in the flow channels or the channel sections can be better controlled and maintained. In particular, in the outer opening portions of the outlet openings of the nozzle box (s) a side jet may be emitted whose properties can be adjusted by the design of the branched channel section, separate from the central beams emerging from the inner opening sections.
Die gegeneinander abgeschotteten und in räumlich getrennten Bahnen verlaufenden Kanalabschnitte können unabhängig voneinander gestaltet und an die jeweils gewünschten oder erforderlichen Strömungsbedingungen angepasst werden. Insbesondere für den äußeren Kanalabschnitt kann trotz des langen Strömungswegs vom Gebläse bis zum gegenüber liegenden Düsenkastenende und der dortigen Austrittsöffnung der Strömungs- und Druckverlust gering gehalten werden.The segregated against each other and extending in spaced-apart paths channel sections can be designed independently of each other and adapted to the particular desired or required flow conditions. In particular, for the outer channel section, the flow and pressure loss can be kept low despite the long flow path from the fan to the opposite nozzle box end and the local outlet opening.
Der Seitenstrahl kann gezielt auf die Seitenfläche des Fahrzeugs gerichtet werden und dabei eine gewünschte Neigung oder Richtung erhalten. Der Seitenstrahl kann ferner eine hohe Strahlstärke bzw. Strömungsgeschwindigkeit haben. Hierfür kann eine frühzeitige Abzweigung hinter dem Gebläse und eine angepasste Gestaltung des Kanalabschnitts günstig sein.The side beam can be targeted to the side surface of the vehicle while maintaining a desired inclination or direction. The side beam may also have a high beam strength or flow velocity. For this purpose, an early diversion behind the fan and an adapted design of the channel section can be favorable.
Die Breite der Trockendüse kann optimal ausgenutzt und dabei klein gehalten werden, was trotz außenseitig angebauter Gebläse möglich ist. Die komplette Trockendüse kann innerhalb einer Portalöffnung untergebracht werden. Die Länge der gesamten Luftaustrittsöffnung der Trockendüse kann maximiert werden und kann bis zu den Rändern der Trockendüse reichen. Die Gebläse müssen nicht mehr wie bei der
Der abgezweigte bzw. äußere Kanalabschnitt kann um ein anderes Gebläse herum gelenkt werden, was insbesondere außenseitig geschehen kann. Dieser Kanalabschnitt kann bis zu einer evtl. Verengung kurz vor dem Öffnungsabschnitt eine im wesentlichen rechteckige Kastenform mit optimalen Strömungsbedingungen für die Trockenluftströmung behalten.The branched or outer channel portion can be directed around another fan, which can be done especially on the outside. This channel section can retain a substantially rectangular box shape with optimal flow conditions for the dry air flow until a possible constriction shortly before the opening section.
Der Seitenstrahl kann getrennt vom Mittelstrahl auf das Fahrzeug gerichtet werden. Insbesondere kann er auf die Seitenfläche des Fahrzeugs gerichtet werden, was mit einer schrägen oder geraden Ausrichtung erfolgen kann. Hierdurch werden optimale Trocknungsergebnisse durch die Mittel- und Seitenstrahlen erzielt.The side beam can be directed to the vehicle separately from the center beam. In particular, it can be directed to the side surface of the vehicle, which can be done with an oblique or straight alignment. As a result, optimal drying results are achieved by the center and side beams.
Der abgezweigte Kanalabschnitt mit seiner Umlenkung kann seitlich an das Gebläsegehäuse und einen evtl. dortigen Spiralabschnitt sowie an einen ersten gemeinsamen Kanalabschnitt des anderen Düsenkastens angebaut sein.The branched channel section with its deflection can be mounted laterally on the blower housing and a possibly there spiral section and on a first common channel section of the other nozzle box.
Hierdurch erhält die Trockendüse eine kompakte Bauform und hat trotz verbesserter Strömungsbedingungen die gleiche kleine Baugröße wie die vorbekannte Trockendüse aus der
Eine mehrteilige Ausbildung der Trockendüse mit sich kreuzenden Düsenkästen ist günstig für die Trocknungswirkung am Fahrzeug. Hierdurch und über die vergrößerte Düsenkastenlänge lassen sich die Trockenluftströme besser führen und ausrichten.A multi-part design of the drying nozzle with intersecting nozzle boxes is favorable for the drying effect on the vehicle. This and the enlarged nozzle box length allow the dry air flows to be better guided and aligned.
Aus den verschiedenen Düsenkästen können Trockenluftströme mit unterschiedlichen Austrittsrichtungen auf das Fahrzeug gelenkt werden. Bei einer Dachdüse hat dies den Vorteil, dass das Wasser auf den oberen oder horizontalen Fahrzeugflächen, wie Motorhaube, Dach, Kofferraumdeckel, Front- und Heckscheibe etc. mit schräg auftreffenden Luftstrahlen von der Mitte aus nach links und rechts abgeschoben werden kann. Das Wasser wird insgesamt besser und rückstandsfrei entfernt. Wasserschleppen werden weitgehend vermieden. Hierbei ist es insbesondere günstig, dass durch die Düsengestaltung der austretende Trockenluftstrom schräg zur Fahrzeuglängsachse oder Fahrtrichtung ausgerichtet werden kann, so dass durch diese Schräglage eine weitere, das Wasser noch besser abtreibende Richtungskomponente hinzukommt.Dry air streams with different outlet directions can be directed onto the vehicle from the various nozzle boxes. In a roof nozzle this has the advantage that the water on the upper or horizontal vehicle surfaces, such as bonnet, roof, trunk lid, front and rear windows, etc. can be deported with obliquely impinging air jets from the center to the left and right. The water is removed better overall and residue-free. Water towing is largely avoided. It is particularly favorable that can be aligned obliquely to the vehicle longitudinal axis or direction through the nozzle design of the exiting dry air flow, so that added by this skew another, the water even better abortive direction component.
Die beanspruchte Trockeneinrichtung baut trotz verzweigter Strömungskanäle und einander kreuzender Düsenkästen sehr schmal und leicht. Sie lässt sich auch unter beengten Platzverhältnissen in einem Waschportal unterbringen. Trotz mehrerer Düsenkästen ist die Trockendüse nicht wesentlich breiter als ein einzelner Düsenkasten mit Gebläse. Hierfür ist die abgewinkelte und mehrachsig verjüngte Düsenkastenform sowie die gegenseitig angeschmiegte Anordnung der Düsenkästen von Vorteil. Die Gebläse können platzsparend weiter innen an der Trockendüse angeordnet werden, wobei deren Breite optimal für die Trockenluftströmung und deren Auslass zum Fahrzeug genutzt werden kann.The claimed drying device is very narrow and light despite branched flow channels and crossing nozzle boxes. It can also be accommodated in cramped conditions in a laundry portal. Despite several nozzle boxes, the drying nozzle is not significantly wider than a single nozzle box with fan. This is the angled and multiaxial tapered nozzle box shape and the mutually snug arrangement of the nozzle boxes advantage. The fans can be arranged to save space further inside of the drying nozzle, the width of which can be optimally used for the dry air flow and its outlet to the vehicle.
Mit der beanspruchten Gestaltung lässt sich zudem eine maximale Länge der Luftaustrittsöffnung unter Aufrechterhaltung optimaler Strömungsbedingungen der Trockenluft erreichen, wobei die Öffnungslänge größer als bei konventionellen Trockendüsen ist. Die lange Luftaustrittsöffnung wird durch das Zusammenwirken der einzelnen Düsenschlitze geschaffen.With the claimed design can also achieve a maximum length of the air outlet opening while maintaining optimal flow conditions of the dry air, the opening length is greater than in conventional drying nozzles. The long air outlet opening is created by the interaction of the individual nozzle slots.
Die Düsenkästen können unterschiedlich ausgebildet sein. Sie können getrennt voneinander angeordnet sein oder gemeinsame Kastenabschnitte aufweisen. Bei der einen Variante, die ähnlich der
Günstig ist außerdem der Überlappungsbereich der Düsenschlitze, der bei einer Dachdüse z.B. in der Düsen- bzw. Anlagenmitte und üblicherweise auch in der Fahrzeugmitte angeordnet ist. Dieser Überlappungsbereich wirkt sich besonders günstig auf das Abtreiben des Wassers aus.In addition, the overlapping area of the nozzle slots, which is advantageous in the case of a roof nozzle, is advantageous. is arranged in the nozzle or plant center and usually also in the vehicle center. This overlap area has a particularly favorable effect on the abortion of the water.
Die gekreuzten Düsenkästen und die weit auseinander liegende Anordnung von Gebläse und Düsenschlitz bietet zudem den Vorteil einer günstigen Strömungsführung der Trockenluft in den Düsenkästen und den dort gebildeten langen Strömungskanälen. Die Trocknungsluft lässt sich besser und sicherer in ihrer Strömungsrichtung innerhalb des Strömungskanals und beim Austritt aus dem Düsenschlitz am Kanalende lenken. Strömungsverluste werden weitgehend vermieden. Die Gebläseleistung kann besser ausgenutzt werden. Im Vergleich mit konventionellen Trockeneinrichtungen können kleinere und leisere Gebläse eingesetzt werden.The crossed nozzle boxes and the far apart arrangement of blower and nozzle slot also offers the advantage of a favorable flow of the Dry air in the nozzle boxes and the long flow channels formed there. The drying air can be steered better and safer in its flow direction within the flow channel and at the exit from the nozzle slot at the channel end. Flow losses are largely avoided. The blower output can be better utilized. Smaller and quieter blowers can be used compared to conventional dryers.
Günstig ist ferner der Einsatz von schmal bauenden Radialgebläsen an den Düsenkästen, wobei diese Gebläseart besonders gute Strömungsergebnisse bietet, insbesondere in Verbindung mit einem Spiralbereich des Düsenkastens am Gebläseumfang.Also favorable is the use of narrow radial blowers on the nozzle boxes, this type of blower offering particularly good flow results, in particular in conjunction with a spiral region of the nozzle box on the blower circumference.
Die beanspruchte Trockendüse eignet sich besonders für den Einsatz als im wesentlichen horizontale Dachdüse. Die günstigen Eigenschaften werden zusätzlich durch eine nach der Fahrzeughöhenkontur gesteuerte Hebe- und Senkbewegung der Dachdüse mittels einer Hubführung in einem Portal oder einem Ständer unterstützt. Die Dachdüse lässt sich sowohl in Portalwaschanlagen, wie auch in Trockenstationen von Autowaschstraßen, Taktanlagen oder dergleichen einsetzen. Die Trockendüse eignet sich ansonsten auch für beliebige andere Einsatzbereiche, insbesondere bei entsprechender Anpassung auch als Seitendüse.The claimed drying nozzle is particularly suitable for use as a substantially horizontal roof nozzle. The favorable properties are additionally supported by a controlled according to the vehicle height contour raising and lowering the roof nozzle by means of a lifting guide in a portal or a stand. The roof nozzle can be used both in gantry washing systems, as well as in dry stations of car washes, clock systems or the like. Otherwise, the drying nozzle is also suitable for any other areas of use, in particular with appropriate adaptation as a side nozzle.
In den Unteransprüchen sind weitere vorteilhafte Ausgestaltungen der Erfindung angegeben.In the subclaims further advantageous embodiments of the invention are given.
Die Erfindung ist in den Zeichnungen beispielsweise und schematisch dargestellt. Im einzelnen zeigen:
- Figur 1:
- eine Stirnansicht eines Portals einer Autowaschanlage mit einer Trockeneinrichtung und einer mehrteiligen Trockendüse mit verzeigten Strömungskanälen,
- Figur 2:
- eine perspektivische Rückansicht der
Trockendüse von Figur 1 , - Figur 3:
- eine perspektivische Ansicht der
Trockendüse von Figur 1 und2 schräg von unten mit Darstellung der Luftströme, - Figur 4:
- eine Unteransicht der Trockendüse,
- Figur 5:
- eine vergrößerte Frontansicht der
Trockendüse von Figur 1 , - Figur 6:
- eine geklappte Draufsicht der
Trockendüse von Figur 5 gemäß Pfeil VI, - Figur 7:
- eine vergrößerte Rückansicht der
Trockendüse von Figur 1 , - Figur 8:
- eine geklappte Seitenansicht der
Trockendüse von Figur 5 gemäß Pfeil VIII, - Figur 9:
- eine Variante einer mehrteiligen Trockendüse mit verzeigten Strömungskanälen in perspektivischer Ansicht,
- Figur 10:
- eine andere perspektivische Ansicht der Trockendüse von
Fig. 9 - Figur 11:
- eine Frontansicht der Trockendüse von
Fig. 9 , - Figur 12:
- eine Draufsicht der Trockendüse von
Fig. 9 , - Figur 13:
- eine Unteransicht der Trockendüse von
Fig. 9 und - Figur 13:
- eine weitere Variante der Trockendüse in Frontansicht.
- FIG. 1:
- an end view of a portal of a car wash with a drying device and a multi-part dry nozzle with indicated flow channels,
- FIG. 2:
- a perspective rear view of the drying nozzle of
FIG. 1 . - FIG. 3:
- a perspective view of the drying nozzle of
FIG. 1 and2 diagonally from below with representation of the air flows, - FIG. 4:
- a bottom view of the drying nozzle,
- FIG. 5:
- an enlarged front view of the drying nozzle of
FIG. 1 . - FIG. 6:
- a folded top view of the drying nozzle of
FIG. 5 according to arrow VI, - FIG. 7:
- an enlarged rear view of the drying nozzle of
FIG. 1 . - FIG. 8:
- a folded side view of the drying nozzle of
FIG. 5 according to arrow VIII, - FIG. 9:
- a variant of a multi-part dry nozzle with indicated flow channels in perspective view,
- FIG. 10:
- another perspective view of the drying nozzle of
Fig. 9 - FIG. 11:
- a front view of the drying nozzle of
Fig. 9 . - FIG. 12:
- a top view of the drying nozzle of
Fig. 9 . - FIG. 13:
- a bottom view of the drying nozzle of
Fig. 9 and - FIG. 13:
- another variant of the drying nozzle in front view.
Die Portalwaschanlage (1) besitzt mindestens ein gegenüber dem z.B. stehenden Fahrzeug (2) in Fahrtrichtung (5) verfahrbares Gestell (3), das eine beliebige Formgebung haben kann und vorzugsweise als U-förmiges Portal ausgebildet ist. Im Gestell oder Portal (3) sind verschiedene Behandlungsaggregate angeordnet. Dies ist zum einen eine beliebig ausgebildete Wascheinrichtung (6), von der z.B. der Übersicht halber nur Radwaschbürsten dargestellt sind. Alternativ oder zusätzlich kann die Wascheinrichtung (6) Dach- und Seitenbürsten, Hochdruck-Wascheinrichtungen und/oder sonstige Waschaggregate aufweisen. Hinzu kommen ggf. Auftragsvorrichtungen für Wasser, Reinigungsmittel, Trocknungsmittel, Konservierungsmittel und dergleichen.The gantry washing system (1) has at least one frame (3) which can be moved in the direction of travel (5) relative to the eg stationary vehicle (2) and which can have any shape and is preferably designed as a U-shaped gantry. In frame or portal (3) various treatment units are arranged. On the one hand, this is an arbitrarily designed washing device (6), of which, for example, for the sake of clarity, only wheel washing brushes are shown. Alternatively or additionally, the washing device (6) can have roof and side brushes, high-pressure washing devices and / or other washing units. In addition, if necessary, application devices for water, cleaning agents, desiccants, preservatives and the like.
Alternativ kann das Portal (3) stehen und das Fahrzeug (2) durch das Portal (3) in Fahrtrichtung (5) geschleppt werden. In einer weiteren Abwandlung können Portal (3) und Fahrzeug (2) mobil sein und in Fahrtrichtung (5) relativ zueinander bewegt werden.Alternatively, the portal (3) can stand and the vehicle (2) through the portal (3) in the direction of travel (5) are towed. In a further modification, the portal (3) and the vehicle (2) can be mobile and can be moved relative to one another in the direction of travel (5).
Die Behandlungseinrichtung (1) besitzt ferner eine Trockeneinrichtung (7), die mindestens eine Trockendüse (8) aufweist. Die Trockendüse (8) kann mindestens ein angebautes bzw. mitgeführtes Gebläse (11,12) aufweisen. Vorzugsweise sind zwei Gebläse (11,12) vorgesehen. Deren Zahl kann auch größer sein. Die Gebläse (11,12) können an den Seitenrandbereichen der Trockendüse (8) und gegenüberliegend angeordnet sein. In der gezeigten Ausführungsform ist die Trockendüse (8) eine im wesentlichen horizontal ausgerichtete und oberhalb des Fahrzeugs (2) angeordnete Dachdüse, die quer zur Fahrtrichtung (5) der Fahrzeugs (2) und/oder des Portals (3) ausgerichtet ist.
Die Trockendüse (8), insbesondere Dachdüse, kann mittels einer angetriebenen und steuer- oder regelbaren, geführten Hubeinrichtung (31) an den Portalständern, z.B. einer vertikalen oder schrägen Schienenführung, gegenüber dem Fahrzeug (2) auf- und abbewegt werden und kann dadurch in Verfolgung der Höhenkontur des Fahrzeugs auf einen optimalen Abstand gegenüber der beaufschlagten Fahrzeugoberfläche eingestellt und nachgeführt werden.The drying nozzle (8), in particular roof nozzle, by means of a driven and controllable, guided lifting device (31) on the gantry uprights, e.g. a vertical or oblique rail guide, with respect to the vehicle (2) are moved up and down and can be set and tracked in pursuit of the contour of the contour of the vehicle to an optimal distance from the applied vehicle surface.
Die Fahrzeugkontur kann in der Höhe und/oder in der Breite berührungslos mittels einer mitgeführten Erfassungseinrichtung (56), z.B. einer optischen Sensor- oder Kameraanordnung, einer Ultraschall-Sensorik oder dgl. aufgenommen und gespeichert werden. Eine Konturenerfassung kann auch an anderer Stelle erfolgen, wobei die Konturen- oder Steuerdaten an den Antrieb der Hubführung (31) gemeldet werden. Die Dachdüse (8) kann außerdem an der Hubeinrichtung (31) um ihre Längsachse schwenkbar angeordnet sein. Auf die Hubeinrichtung (31) und die Schwenkanordnung kann alternativ verzichtet werden.The vehicle contour can be recorded and stored contactless in height and / or width by means of an entrained detection device (56), for example an optical sensor or camera arrangement, an ultrasonic sensor system or the like. A contour detection can also be done elsewhere, the contour or control data to the drive of the lifting guide (31) are reported. The roof nozzle (8) can also be arranged pivotably on the lifting device (31) about its longitudinal axis. On the lifting device (31) and the pivoting arrangement can be omitted alternatively.
Die Trockendüse (8) kann einteilig oder mehrteilig ausgebildet sein und z.B. eine oder zwei Düseneinheiten (9,10) besitzen. Es können auch mehr Düseneinheiten vorhanden sein. Die Düseneinheiten (9,10) können ihrerseits miteinander zu einer kompakten Baueinheit verbunden sein.The drying nozzle (8) may be formed in one or more parts and e.g. have one or two nozzle units (9,10). There may also be more nozzle units. The nozzle units (9,10) can in turn be connected together to form a compact unit.
Nachfolgend wird unter Bezugnahme auf
Die Düseneinheiten (9,10) bestehen jeweils aus einem Düsenkasten (13,14) und mindestens einem zugehörigen Gebläse (11,12). Die Gebläse (11,12) sind z.B. an ihren Düsenkästen (13,14) endseitig angeschlossen, vorzugsweise am Kastenende angebaut, und können bei den Hub- und ggf. Schwenkbewegungen der Trockendüse (8) mitbewegt werden. Alternativ können die Gebläse (11,12) an anderer Stelle, z.B. stationär im Portal (3) angeordnet und mit ihrem Düsenkasten (13,14) vorzugsweise endseitig durch eine flexible oder verstellbare Leitung verbunden bzw. angeschlossen sein.The nozzle units (9,10) each consist of a nozzle box (13,14) and at least one associated fan (11,12). The blower (11,12) are, for example, at the end connected to their nozzle boxes (13,14), preferably grown at the box end, and can be moved in the lifting and possibly pivoting movements of the drying nozzle (8). Alternatively, the blower (11,12) at another location, for example, stationary in the portal (3) and arranged with its nozzle box (13,14) preferably connected or connected at the ends by a flexible or adjustable cable.
Die Düsenkästen (13,14) sind mit ihrer Längserstreckung (30) im wesentlichen quer zur Fahrtrichtung (5) bzw. längs der Portal-Hauptebene ausgerichtet. Dies schließt eine schräge Kastenanordnung ein. Die Düsenkästen (13,14) leiten die Trockenluft vom Gebläse (11,12) durch einen innen liegenden bzw. internen Strömungskanal (17,18) zu einer am Kanalende angeordneten Austrittsöffnung (19,20), an der die Luftströmung (22,23) zum Fahrzeug (2) hin austritt. Die Austrittsöffnung (19,20) ist vorzugsweise schlitzförmig ausgebildet und ist schmäler als der Strömungskanal (17,18), der sich zur Austrittsöffnung (19,20) hin entsprechend verjüngt.The nozzle boxes (13, 14) are aligned with their longitudinal extent (30) essentially transversely to the direction of travel (5) or along the main portal plane. This includes an oblique box arrangement. The nozzle boxes (13, 14) guide the drying air from the fan (11, 12) through an internal or internal flow channel (17, 18) to an outlet opening (19, 20) arranged at the channel end, at which the air flow (22, 23 ) exits to the vehicle (2). The outlet opening (19, 20) is preferably slit-shaped and is narrower than the flow channel (17, 18), which tapers correspondingly to the outlet opening (19, 20).
Die Austrittsöffnung (19,20) ist hauptsächlich in der Längserstreckung (30) des Düsenkastens (13,14) ausgerichtet. Die Austrittsöffnung (19,20) ist auch im wesentlichen quer zur Fahrtrichtung (5) bzw. längs der Portal-Hauptebene ausgerichtet. Von dem am seitlichen oder stirnseitigen Ende des Düsenkastens (13,14) angeschlossenen oder angebauten Gebläse (11,12) strömt die Luft im wesentlichen quer zur Fahrtrichtung (5) bzw. längs der Portal-Hauptebene in und durch den Düsenkasten (13,14).The outlet opening (19, 20) is oriented mainly in the longitudinal extent (30) of the nozzle box (13, 14). The outlet opening (19, 20) is also oriented essentially transversely to the direction of travel (5) or along the main portal plane. From the blower (11, 12) connected or mounted at the lateral or front end of the nozzle box (13, 14), the air flows essentially transversely to the direction of travel (5) or along the main portal plane into and through the nozzle box (13, 14) ).
Der Strömungskanal (17,18) weist im Innenraum des Düsenkastens (13,14) eine Verzweigung (42) in mindestens zwei getrennte Kanalabschnitte (44,45) auf. Es können auch drei oder mehr Kanalabschnitte (44,45) sein. Die Kanalabschnitte (44,45) sind gegenseitig abgeschottet und verlaufen mit räumlicher Distanz zueinander. Die Kanalabschnitte (44,45) haben auch unterschiedliche Formen in Querschnitt und Längserstreckung. Sie haben ferner eigene, separate Wandungen, die umfangseitig geschlossen sind.In the interior of the nozzle box (13, 14), the flow channel (17, 18) has a branch (42) into at least two separate channel sections (44, 45). There may also be three or more channel sections (44, 45). The channel sections (44, 45) are mutually shielded and run at a spatial distance from one another. The channel sections (44,45) also have different shapes in cross-section and longitudinal extent. They also have their own, separate walls that are closed on the periphery.
Die Verzweigung (42) ist zwischen dem Gebläse (11,12) und der Auslassöffnung (19,20) des Düsenkastens (13,14) angeordnet. Der eine äußere Kanalabschnitt (45) reicht bis zu der dem eigenen Gebläse (11,12) gegenüber liegenden Seite des Düsenkastens (13,14) und der Trockendüse (8). Aus dem äußere Kanalabschnitt (45) tritt ein vertikaler oder schräger Seitenstrahl (40,41) zum Fahrzeug (2), insbesondere zu dessen Seitenfläche aus.The branch (42) is arranged between the fan (11, 12) and the outlet opening (19, 20) of the nozzle box (13, 14). The one outer channel section (45) extends up to the side of the nozzle box (13, 14) opposite the own blower (11, 12) and the drying nozzle (8). From the outer channel section (45) emerges a vertical or oblique side beam (40,41) to the vehicle (2), in particular to its side surface.
Der äußere Kanalabschnitt (45) erstreckt sich zu einem anderen Gebläse (12) hin. Das Gebläse (12) kann zum eigenen oder zu einem anderen Düsenkasten gehören. Der äußere Kanalabschnitt (45) kann bis in die Nähe des anderen Gebläse (12,11) geführt werden und dort nach außen münden.The outer channel section (45) extends to another fan (12). The blower (12) may belong to its own or to another nozzle box. The outer channel section (45) can be guided into the vicinity of the other fan (12, 11) and open outwards there.
Der äußere Kanalabschnitt (45) kann dabei um ein anderes Gebläse (12,11) eines ggf. anderen Düsenkastens (14,13) herumgeführt sein. Er verläuft z.B. oberhalb und an der Außenseite des anderen Gebläses (12,11) und umgibt dieses mit einer Umlenkung (46,47) von ca. 90° oder mehr. Der andere innere Kanalabschnitt (44) kann vor diesem anderen Gebläse (12,11) enden. Er kann ggf. auch ein Stück bis unter dieses andere Gebläse (12,11) reichen. Hierfür zeigen
Die Düsenkästen (13,14) können strömungstechnisch getrennt und gegeneinander abgeschottet sein, so dass kein gegenseitiger Luftübertritt erfolgt. Die ggf. abgewinkelten Düsenkästen (13,14) können sich aneinander anschmiegen und ggf. auch einander kreuzen. Die Düsenkästen (13,14) sind quer zur Längsachse (30) der Trockendüse (8) bzw. in Fahrtrichtung oder Querrichtung (5) hintereinander angeordnet. Die Düsenkästen (13,14) sind hierbei vorzugsweise eng aneinander gebaut und sind mit ihren Gebläsen (11,12) miteinander zu einer kompakten Baueinheit der Trockendüse (8) verbunden.The nozzle boxes (13, 14) can be fluidically separated and sealed off from one another, so that no mutual passage of air takes place. The possibly angled nozzle boxes (13, 14) can cling to one another and optionally also intersect one another. The nozzle boxes (13, 14) are arranged one behind the other transversely to the longitudinal axis (30) of the drying nozzle (8) or in the direction of travel or transverse direction (5). The nozzle boxes (13, 14) are in this case preferably built close to one another and, with their blowers (11, 12), are compact with one another Assembly of the drying nozzle (8) connected.
Die Düsenkästen (13,14) reichen mit ihren aneinander anschließenden Austrittsöffnungen (19,20) vorzugsweise im wesentlichen über die gesamte Breite der Trockendüse (8) sowie der Portalöffnung und enden kurz vor der Führung (31). Sie können sich über die Dachbreite und die gesamte Maximal-Breite der Fahrzeuge (2) erstrecken, so dass die ausströmende Trockenluft das gesamte Fahrzeugdach erfasst und außerdem beidseits in ggf. separaten vertikalen oder schrägen Seitenstrahlen (40,41) auf die Seitenflächen des Fahrzeugs (2) gerichtet ist. Die Gebläse (11,12) befinden sich vorzugsweise ebenfalls innerhalb der Gestell- oder Portalöffnung.The nozzle boxes (13, 14) with their adjoining outlet openings (19, 20) preferably extend essentially over the entire width of the drying nozzle (8) and the portal opening and terminate shortly before the guide (31). They can extend over the roof width and the total maximum width of the vehicles (2), so that the escaping dry air covers the entire vehicle roof and also on both sides in possibly vertical or oblique side beams (40,41) on the side surfaces of the vehicle ( 2) is directed. The fans (11,12) are preferably also within the rack or portal opening.
Die Düsenkästen (13,14) haben einen langen Strömungskanal (17,18), der von den jeweils außenseitig angeordneten Gebläsen (11,12) ausgeht. In der nachfolgend beschriebenen Variante von
Die Gebläse (11,12) saugen außenseitig Luft, insbesondere Umgebungsluft, an und blasen sie in den jeweils angeschlossenen Düsenkasten (13,14). Die Gebläse (11,12) können in beliebiger Weise konstruktiv ausgebildet sein. Es handelt sich vorzugsweise um Radialgebläse, welche die Umgebungsluft axial durch eine Öffnung (52) ansaugen und an ihrem Umfang radial ausblasen. Sie besitzen jeweils einen Motor (53), z.B. einen Elektromotor, und ein Lüfterrad oder ein anderes geeignetes Bewegungsorgan für die Trockenluft. Die Motoren (53) sind z.B. längs der Fahrtrichtung (5) ausgerichtet und können sich an der gleichen Seite der Trockendüse (8) befinden, z.B. der Frontseite. Die Ansaugöffnungen (52) befinden sich axial gegenüberliegend an der Düsenrückseite. Die Motoren (53) können auch an gegenüberliegenden Düsenseite angeordnet sein und/oder eine andere Ausrichtung haben. In den Zeichnungen sind von den Gebläsen (11,12) der Übersicht halber nur die Motoren sowie die Ansaugöffnungen dargestellt, wobei die weiteren konstruktiven Details nicht gezeigt sind. Lediglich die Gebläsedrehachsen sind mit strichpunktierten Linien angedeutet.The fans (11,12) suck outside air, in particular ambient air, and blow them in the respectively connected nozzle box (13,14). The blower (11,12) may be designed constructively in any way. They are preferably radial fans, which suck in the ambient air axially through an opening (52) and blow out radially at their circumference. They each have a motor (53), e.g. an electric motor, and a fan or other suitable moving body for the dry air. The motors (53) are e.g. aligned along the direction of travel (5) and may be located on the same side of the drying nozzle (8), e.g. the front. The suction openings (52) are located axially opposite to the nozzle rear side. The motors (53) can also be arranged on the opposite side of the nozzle and / or have a different orientation. In the drawings, of the blowers (11,12) for the sake of clarity, only the motors and the intake ports are shown, wherein the other structural details are not shown. Only the fan rotation axes are indicated by dotted lines.
Umfangseitig können die Gebläse (11,12) jeweils von einem sich nach außen und oben erweiternden Spiralbereich (15,16) bzw. Spiralblech des Düsenkastens (13,14) umgeben sein, der nicht im einzelnen dargestellt ist. Am oberen Ende des Spiralbereichs (15,16) ist der jeweilige Strömungskanal (17,18) angeschlossen.On the peripheral side, the fans (11, 12) can each be surrounded by a spiral area (15, 16) or spiral plate of the nozzle box (13, 14) that widens outwards and upwards, which is not shown in detail. At the upper end of the spiral region (15, 16), the respective flow channel (17, 18) is connected.
Die Strömungskanäle (17,18) und die Austrittsöffnungen (19,20) sind jeweils in mehrere Abschnitte (43,44,45) und (48,49) unterteilt.
Der Düsenkasten (14) schließt mündungseitig an den Gebläseauslass bzw. den Auslass des Spiralbereichs (16) oberhalb des Gebläses (12) an. Hier wird am Strömungskanal (18) ein erster anfänglicher Kanalabschnitt (43) gebildet. Dieser erstreckt vom Mündungsabschnitt aus nach rechts bis etwa zur Mitte (4) und teilt sich dort an der Verzweigung (42) in mindestens zwei Kanalbereiche (44,45) auf. Der eine innere Kanalabschnitt (44) erstreckt sich abwärts und endet an einem inneren Öffnungsabschnitt (48) der Auslassöffnung (20), der ca. von der Mitte (4) bis zu einem Bereich vor oder unterhalb des rechten Gebläses (11) bzw. Motors (53) reicht. Hier tritt der Mittelstrahl (55) der Trockenluft aus.The nozzle box (14) connects to the mouth of the blower outlet or the outlet of the spiral area (16) above the fan (12). Here, a first initial channel section (43) is formed on the flow channel (18). This extends from the mouth portion to the right to about the middle (4) and is divided there at the junction (42) in at least two channel regions (44,45). The one inner passage portion (44) extends downwardly and terminates at an inner opening portion (48) of the exhaust port (20), which extends from the center (4) to an area in front of or below the right blower (11) (53) is enough. Here emerges the central jet (55) of the dry air.
Der andere äußere Kanalabschnitt (45) verläuft im oberen Kastenbereich im wesentlichen horizontal oder mit leichter Schräglage nach oben zur gegenüberliegenden Seite der Trockendüse (8) und ist in der Umlenkung (47) oben und seitlich um den Motor (53) des rechten Gebläses (11) herumgeführt. Die Umlenkung (47) umschließt das Gebläse (11) mit einem Winkel von ca. 90° oder mehr und liegt vor bzw. auf dessen Spiralbereich (12). Sie erstreckt sich anschließend nach unten zum außenliegenden Öffnungsabschnitt (49) der Auslassöffnung (20). Dieser befindet sich am Außenrand der Trockendüse (8) und ist gemäß
Die abgezweigte Luftströmung (51) im Kanalabschnitt (45) wird in einem Bogen geführt und kann hierdurch als austretender Seitenstrahl (41) einen einwärts zur benachbarten Seitenfläche des Fahrzeugs (2) gerichten Drall oder eine schräge Strömungsrichtung erhalten. Die Schrägausrichtung kann auch durch eine einwärts geneigte Außenwand (50) am Ende des Kanalabschnitts (45) bewirkt oder unterstützt werden.
Alternativ kann der Seitenstrahl (41) eine andere und z.B. vertikale Austrittsrichtung haben. Ferner kann in einer abgewandelten Ausführung die Verzweigung (42) sich an der Mündung des Gebläseauslasses bzw. des Auslasses des Spiralbereichs (16) befinden, wobei die inneren und äußeren Kanalabschnitte (44,45) hier münden und im Anfangsbereich (43) parallel und getrennt verlaufen.Alternatively, the side beam (41) may have another and e.g. have vertical exit direction. Furthermore, in a modified embodiment, the branch (42) can be located at the mouth of the fan outlet or the outlet of the spiral portion (16), the inner and outer channel portions (44, 45) opening here and parallel and separated in the initial portion (43) run.
Der andere Düsenkasten (13) hat eine entsprechende und seitenverkehrte Gestalt mit der Verzweigung (42) und den Kanalabschnitten (43,44,45), wobei an der Auslassöffnung (19) ein Mittelstrahl (54) und ein Seitenstrahl (40) austreten.The other nozzle box (13) has a corresponding and reversed shape with the branch (42) and the channel sections (43,44,45), wherein at the outlet opening (19) a central jet (54) and a side jet (40) emerge.
Die Öffnungsabschnitte (48,49) sind z.B. schlitzförmig ausgebildet und können im wesentlichen die gleiche Breite bzw. Schlitzweite aufweisen. Die äußeren Öffnungsabschnitte (49) können auch breiter sein. Die Öffnungsabschnitte (48,49) schließen aneinander in Längsrichtung an, was direkt angrenzend oder mit dem gezeigten kleinen Abstand geschehen kann. Sie können getrennt und voneinander abgeschottet am unteren Rand der Trockendüse (8) angeordnet sein. Alternativ können sie, ggf. mit einer Trennwand, aneinander stoßen. Sie können auch ineinander übergehen. Aus dem außenliegenden Öffnungsabschnitt (49) tritt der Seitenstrahl (41) aus.
Die Strömungsgeschwindigkeiten in den inneren und äußeren Kanalabschnitten (44,45) können im wesentlichen gleich sein, wobei der Seitenstrahl (40,41) eine gleiche oder ggf. geringere Stärke als der Mittelstrahl (54,55) hat. Alternativ kann der Seitenstrahl (40,41) stärker als der Mittelstrahl (54,55) sein.The flow velocities in the inner and outer channel sections (44, 45) may be substantially equal, with the side jet (40, 41) having an equal or possibly lower intensity than the central jet (54, 55). Alternatively, the side beam (40, 41) may be stronger than the center beam (54, 55).
Die Austrittsöffnungen (19,20) haben eine begrenzte Länge und bilden z.B. mit ihren inneren Öffnungsabschnitten (48) um die Mitte (4) herum in enger seitlicher Nachbarschaft eine Überlappung (21). Die Öffnungsabschnitte (48) reichen dabei mit ihrem rückwärtigen Ende ein kleines Stück über die Mitte (4) hinaus. Insgesamt haben die Austrittsöffnungen (19,20) jeweils eine Länge von etwa der Hälfte oder etwas mehr der Trockendüsenbreite.
Die Austrittsöffnungen (19,20) können einen abgewinkelten Längsverlauf besitzen, der aus
Im Bereich ihrer vorderen Enden (26,27) sind die Austrittsöffnungen (19,20) bzw. die äußeren Öffnungsabschnitte (49) nach einer Knickstelle wieder längs der Achse (30) der Trockendüse (8) ausgerichtet und liegen hierbei in Parallellage auf gegenüber liegenden Seiten der Trockendüse (8). Die Austrittsöffnungen (19,20) bilden gemeinsam eine Luftausströmöffnung (28), die über die gesamte Breite der Trockendüse (8) reicht. Die Luftausströmöffnung (28) besitzt zwei Knickstellen und zeigt in der Unteransicht einen schrägen S-förmigen Verlaufen mit der besagten Überlappungsstelle (21) an der Mitte (4).In the region of their front ends (26, 27), the outlet openings (19, 20) and the outer opening sections (49) are again aligned along a bend along the axis (30) of the drying nozzle (8) and lie in a parallel position on opposite sides Sides of the drying nozzle (8). The outlet openings (19, 20) together form an air outlet opening (28), which extends over the entire width of the drying nozzle (8). The Luftausströmöffnung (28) has two kinks and shows in the bottom view an oblique S-shaped curve with said overlap point (21) at the center (4).
Wie
Der anfängliche Kanalabschnitt (43) hat im oberen Teil einen im wesentlichen U-förmigen Querschnitt mit im wesentlichen rechtwinkligen Dach- und Seitenwänden und einem in etwa konstanten Querschnitt, der dem Mündungsquerschnitt entspricht und bis ca. zur Mitte (4) reicht. Im unteren Teil hat der Kanalabschnitt (43) einen keilförmigen Querschnitt mit einer schrägen Wandung, die einerseits zur Innenwand abgewinkelt ist und sich andererseits schräg nach unten zur Auslassöffnung (19,20) erstreckt. Der obere Teil ist nach zwei Richtungen abgewinkelt. Er hat in der Stirnansicht von
Im unteren Teil geht der anfängliche Kanalabschnitt (43) bereits in den inneren Kanalabschnitt (44) über. Sein oberer Teil verzweigt sich etwa ab der Mitte (4) in den im wesentlichen horizontal anschließenden äußeren Kanalabschnitt (45) und den schräg abwärts gerichteten inneren Kanalabschnitt (44), wobei im Bereich der Abzweigung (42) der U-förmige Querschnitt erhalten bleibt.In the lower part of the initial channel section (43) already goes into the inner channel section (44). Its upper part branches approximately from the middle (4) in the substantially horizontally adjoining outer channel section (45) and the obliquely downward inner channel portion (44), wherein in the region of the branch (42) of the U-shaped cross section is maintained.
Der innere Kanalabschnitt (44) hat ähnlich wie der Anfangsbereich (43) einen oberen im Querschnitt U-förmigen Teil und einen unteren keilförmigen Teil, der sich zum inneren Öffnungsabschnitt (48) hin verjüngt. Der obere Teil ist schräg abwärts gerichtet und verringert dabei seine Höhe.The inner channel portion (44), similar to the starting portion (43) has an upper U-shaped portion and a lower wedge-shaped portion which tapers toward the inner opening portion (48). The upper part is inclined downwards, reducing its height.
Der äußere Kanalabschnitt (45) hat einen kastenförmigen bzw. rechteckigen Querschnitt, dessen Breite sich ab der Verzweigung (42) bis auf Achshöhe des anderen Gebläses (11,12) keilförmig mindert und dann in der anschließenden 90°-Biegung (46,47) gleich bleibt. Während dieses Verlaufs behält der Kanalabschnitt (45) seine Höhe oder vergrößert sie etwas.
Die Oberseite bzw. das obere Leitblech (32) der Düsenkästen (13,14) und der Kanalabschnitte (43,44,45) kann einen wannenförmigen Verlauf haben und sich von der Stelle oberhalb des Gebläses (11,12) und der Mündung des Spiralbereichs (15,16) aus mit einer leicht abwärts gerichteten Schräglage bis in die Nähe der Mitte (4) und bis zu einer Knickstelle (34) erstrecken und anschließend wieder aufwärts gerichtet sein. Die Knickstelle (34) kann in Strömungsrichtung vor der Abzweigung (42) liegen. Das obere Leitblech (32) kann sich alternativ im wesentlichen gerade erstrecken.The top and the upper baffle (32) of the nozzle boxes (13,14) and the channel sections (43,44,45) may have a trough-shaped course and from the point above the fan (11,12) and the mouth of the spiral area (15,16) from with a slightly downward sloping position to the vicinity of the center (4) and extend to a kink (34) and then be directed upward again. The kink point (34) can lie in the flow direction before the branch (42). The upper baffle (32) may alternatively extend substantially straight.
Die Kastenunterseite und das untere, ebenfalls an der Mündung des Spiralbereichs (15,16) anschließende Leitblech (33) sind stärker abwärts geneigt. Die Kanalabschnitte (43,44) erhalten eine abfallende und zugleich zum Öffnungsbereich (48) hin sich erweiternde Form. Das untere Leitblech (33) erstreckt sich ebenfalls bis etwa in Höhe der vorgenannten Knickstelle (34), ist ab dort stärker abwärts geneigt und geht dann in einen vertikalen Wandabschnitt über, der vor der Mitte (4) liegt und das rückwärtige Ende des Düsenschlitzes (19,20) markiert.The bottom of the box and the lower, also at the mouth of the spiral area (15,16) subsequent baffle (33) are more inclined downwards. The channel sections (43,44) receive a sloping and at the same time to the opening area (48) towards expanding form. The lower baffle (33) also extends approximately to the level of the aforementioned kink (34), is from there more inclined downwards and then passes into a vertical wall portion, which lies in front of the center (4) and the rear end of the nozzle slot (34). 19,20).
Wie
Zugleich haben die Düsenkästen (13,14) an ihren äußeren Seitenwänden (36) an mehreren Stellen und insbesondere im unteren Bereich nahe den Düsenschlitzen (19,20) seitliche Abkantungen (37), die eine Verjüngung und trichterförmige Verengung des Strömungskanals (17,18) und des inneren Kanalabschnitts (44) nach unten zu den inneren Öffnungsabschnitten (48) hin bewirken. Auch der äußere Kanalabschnitt (45) hat nach der Umlenkung (46,47) eine solche Abkantung (38) und eine anschließende trichterförmige Verengung, wobei seine Breite in Stirnansicht gleich bleiben oder zunehmen kann. Bis zu den Abkantungen (37,38) haben die Kanalabschnitte (43,44,45) die vorerwähnte Kastenform mit dem wesentlichen U-förmigen Querschnitt. An den Düsenschlitzen (19,20) kann an der Unterseite eine längs laufende Auffangrinne (39) für Tropfwasser vorhanden sein.At the same time have the nozzle boxes (13,14) on their outer side walls (36) at several points and in particular in the lower area near the nozzle slots (19,20) lateral folds (37) having a taper and funnel-shaped narrowing of the flow channel (17,18 ) and the inner channel portion (44) down to the inner opening portions (48) cause. Also, the outer channel portion (45) after the deflection (46,47) such a fold (38) and a subsequent funnel-shaped constriction, wherein its width in front view remain the same or increase. Up to the Bends (37,38) have the channel sections (43,44,45) the aforementioned box shape with the essential U-shaped cross-section. At the nozzle slots (19,20) may be present at the bottom of a longitudinally running gutter (39) for dripping water.
Durch die schräge Ausrichtung des inneren Kanalabschnitts (44) kann der Mittelstrahl (54,55) der Trockenluft aus den inneren Öffnungsabschnitten (48) der Auslassöffnungen (19,20) ebenfalls mit schräger Richtung austreten, was durch die Pfeile (24,25) in
Der aus den äußeren Öffnungsabschnitten (49) austretende Seitenstrahl (40,41) kann gerade oder schräg zu den Seitenflächen des Fahrzeugs (2) gerichtet werden und treibt das ablaufende Wasser weiter nach unten. Dies kann durch zusätzliche Seitendüsen verstärkt werden, was aber nicht unbedingt erforderlich ist.The side jet (40, 41) emerging from the outer opening sections (49) can be directed straight or obliquely to the side surfaces of the vehicle (2) and drives the draining water further downwards. This can be reinforced by additional side jets, but this is not absolutely necessary.
Wie
Im Unterschied zum ersten Ausführungsbeispiel ist von den Austrittsöffnungen (19,20) jeweils der innere Öffnungsabschnitt (48) auf der dem zugehörigen Gebläse (11,12) benachbarten Fahrzeugseite angeordnet und reicht bis zur Mitte (4) oder etwas darüber hinaus. Der andere äußere Öffnungsabschnitt (49) befindet sich am gegenüber liegenden Kastenende jenseits der Mitte (4). Dementsprechend sind die inneren und äußeren Kanalabschnitte (44,45) angeordnet und ausgerichtet.In contrast to the first embodiment of the outlet openings (19,20) each of the inner opening portion (48) on the associated fan (11,12) adjacent vehicle side and extends to the middle (4) or slightly beyond. The other outer opening portion (49) is located at the opposite end of the box beyond the center (4). Accordingly, the inner and outer channel sections (44, 45) are arranged and aligned.
In der zweiten Ausführungsform ist die Abzweigung (42) mit deutlichem Abstand vor der Mitte (4) angeordnet, wobei auch der gemeinsame Kanalabschnitt (43) entsprechend verkürzt ist. Die Abzweigung (42) befindet sich z.B. knapp hinter dem oberen Ende des Spiralbereichs (15,16) des Radialgebläses (11,12) oder an einer anderen Gebläseaustrittsstelle. Der abgezweigte äußere Kanalabschnitt (45) wird in einem Flachrohr über die Mitte hinweg in erhabener Stellung und mit einem im wesentlichen horizontalen Verlauf bis zum gegenüber liegenden Kastenende geführt und dort in einer Biegung (46,47) nach unten umgelenkt, wobei das Kanalende schräg nach innen bzw. zur Mitte (4) gerichtet sein kann. Der Öffnungsabschnitt (49) kann den gleichen Querschnitt wie die anderen Bereiche des Kanalabschnitts (45) haben.In the second embodiment, the branch (42) is arranged at a considerable distance in front of the center (4), whereby the common channel section (43) is shortened accordingly. The branch (42) is e.g. just behind the upper end of the spiral section (15, 16) of the radial fan (11, 12) or at another fan exit point. The branched outer channel section (45) is guided in a flat tube over the middle in a raised position and with a substantially horizontal course to the opposite end of the box and deflected there in a bend (46,47) downwards, the channel end obliquely may be directed inside or to the center (4). The opening portion (49) may have the same cross-section as the other portions of the channel portion (45).
In der zweiten Variante sind die Düsenkästen (13,14) in Fahrtrichtung (5) hintereinander angeordnet und schmiegen sich aneinander an. Bei dieser Ausführungsform kreuzen sich die Kanalabschnitt (45) der beiden Düsenkästen (13,14) im Bereich der Mitte (4) und sind dabei übereinander hinweg geführt. Am Ende umgreifen die Kanalabschnitte (45) mit ihrer jeweiligen Umlenkung (46,47) das Gebläse (11,12) bzw. dessen Motor (53) des jeweils anderen Düsenkastens (14,13).In the second variant, the nozzle boxes (13,14) in the direction of travel (5) are arranged one behind the other and nestle against each other. In this embodiment, the channel section (45) of the two nozzle boxes (13, 14) intersect in the area of the center (4) and are guided over one another. At the end, the channel sections (45) with their respective deflection (46, 47) surround the blower (11, 12) or its motor (53) of the respective other nozzle box (14, 13).
Die inneren Kanalabschnitte (44) der beiden Düsenkästen (13,14) sind von der Abzweigung (42) aus jeweils schräg nach unten gerichtet und münden vor oder an der Mitte (4). Die zugehörigen Öffnungsabschnitte (48) können gemäß
Die Düsenkästen (13,14) können auch in der zweiten Ausführungsform vollkommen voneinander baulich und strömungstechnisch getrennt sein. Alternativ können die inneren Kanalabschnitte (44) einen gemeinsamen Kastenbereich (58) haben, wobei lediglich im Bereich der Mitte (4) eine gegenseitige Abschottung der Kanalabschnitte (44) durch die schrägen strömungsleitenden Kanalwände (59) erfolgt. Die Kontaktstelle der schrägen Kanalwände (59) kann gegenüber der Düsenöffnung etwas zurück versetzt sein.The nozzle boxes (13, 14) can also be completely separated from each other structurally and fluidically in the second embodiment. Alternatively, the inner channel sections (44) may have a common box area (58), wherein only in the region of the center (4) a mutual partitioning of the channel sections (44) by the oblique flow-conducting channel walls (59). The contact point of the oblique channel walls (59) may be slightly offset from the nozzle opening.
Die anderen schrägen und dem eigenen Gebläse (11,12) zugewandten Kanalwände (60) können derart weit nach außen zur Bildung eines trichterförmig sich erweiternden Kanalabschnitts (44) ausgestellt sein, dass sie knapp vor dem äußeren Öffnungsabschnitt (49) des jeweils anderen Düsenkastens (14,13) enden und auch bis unterhalb von dessen Gebläse (12,11) reichen.The other oblique and the own blower (11,12) facing channel walls (60) can be issued so far outward to form a funnel-shaped flared channel portion (44) that they just before the outer opening portion (49) of the other nozzle box ( 14,13) and also reach below the fan (12,11) range.
Im zweiten Ausführungsbeispiel verdeutlichen außerdem die Zeichnungen, insbesondere
In den vorbeschriebenen Ausführungsformen ist die Trockendüse (8) mehrteilig ausgebildet und weist zwei oder mehr Düseneinheiten (9,10) nebst Düsenkästen (13,14) auf.
Eine solche einzelne Trockendüse (8) kann z.B. als Seitendüse benutzt werden, wobei der äußere Kanalabschnitt (45) je nach Drehlage einen eigenen Luftstrahl auf das Dach oder den Schwellerbereich eines Fahrzeugs (2) richtet. Die gezeigte Düseneinheit (9) kann auch als Dachdüse Verwendung finden, wobei mehrere eigenständige Düseneinheiten (9,10) mit Abstand hintereinander oder ggf. an eigenen Portalen oder Gestellen (3) angeordnet sind. Im Unterschied zu den beiden ersten Ausführungsbeispielen kann hierdurch ebenfalls eine mehrteilige Trockendüse (8) mit einer in Fahrtrichtung (5) gespreizten Bauweise gebildet werden.Such a single drying nozzle (8) can be used, for example, as a side nozzle, wherein the outer channel section (45) directs its own air jet depending on the rotational position on the roof or the sill area of a vehicle (2). The nozzle unit (9) shown can also be used as a roof nozzle, wherein a plurality of separate nozzle units (9, 10) are arranged at a distance one behind the other or, if necessary, at their own portals or racks (3). In contrast to the first two embodiments, a multi-part drying nozzle (8) with a construction spread in the direction of travel (5) can thus likewise be formed.
Abwandlungen der gezeigten Ausführungsform sind in verschiedener Weise möglich. Zum einen kann die gezeigte Trockendüse (8) bei entsprechender Anpassung in der Formgebung auch als Seitendüse Verwendung finden. Ferner ist es möglich, nur eine oder mehr als zwei Düseneinheiten (9,10) vorzusehen. Zudem ist es möglich, den Überlappungsbereich (21) zu vergrößern. Variabel ist ferner die konstruktive Ausgestaltung der Düsenkästen (13,14) und der Gebläse (11,12). Diese können z.B. als Axialgebläse ausgebildet sein. Die Trockendüse (8) kann außerdem ohne die Formanpassungen und Anschmiegungen der Düsenkästen (13,14) auskommen und entsprechend breiter bauen, z.B. ähnlich wie in der
Die Verzweigung von Strömungskanälen lässt sich auch bei Düsenkästen einsetzen, deren Strömungskanal zu einem inneren Öffnungsabschnitt geführt ist, der vor der Mitte (4) liegt. Der abgezweigte Kanalabschnitt (45) kann dabei über die Mitte (4) hinweg und um ein evtl. vorhandenes gegenüberliegendes Gebläse herumgeführt sein. Bei einer Mehrfachanordnung von Düsenkästen (13,14) müssen diese sich nicht unbedingt kreuzen und brauchen auch keine aneinander anschließenden Auslassöffnungen zu haben. Die Düsenkästen (13,14) können auch eigenständig hintereinander angeordnet sein und dabei getrennte und hintereinander in Fahrtrichtung (5) angeordnete Auslassöffnungen (19,20) aufweisen. Diese Auslassöffnungen können eine größere Überlappung (21) in der Mitte (4) haben und eine größere Länge als in den vorbeschriebenen Ausführungsbeispielen besitzen. Ferner können die beschriebenen und als Alternativen aufgezeigten Merkmale der verschiedenen Ausführungsformen beliebig miteinander kombiniert oder vertauscht werden.The branching of flow channels can also be used with nozzle boxes, the flow channel is guided to an inner opening portion, which is located in front of the center (4). The branched-off channel section (45) can be guided over the middle (4) and around a possibly existing opposite blower. In a multiple arrangement of nozzle boxes (13,14) they do not necessarily cross and need not have adjoining outlet openings. The nozzle boxes (13, 14) can also be arranged independently one after the other and have separate outlet openings (19, 20) arranged one behind the other in the direction of travel (5). These outlet openings may have a larger overlap (21) in the middle (4) and have a greater length than in the previously described embodiments. Furthermore, the described and presented as alternatives features of the various embodiments can be arbitrarily combined or reversed.
- 11
- Behandlungseinrichtung, AutowaschanlageTreatment facility, car wash
- 22
- Fahrzeugvehicle
- 33
- Portalportal
- 44
- Anlagenmitte, MittelliniePlant center, centerline
- 55
- Fahrtrichtungdirection of travel
- 66
- Wascheinrichtungwash
- 77
- Trockeneinrichtungdrying device
- 88th
- Trockendüse, DachdüseDry nozzle, roof nozzle
- 99
- Düseneinheitnozzle unit
- 1010
- Düseneinheitnozzle unit
- 1111
- Gebläsefan
- 1212
- Gebläsefan
- 1313
- Düsenkasten 1. EinheitNozzle box 1st unit
- 1414
- Düsenkasten 2. EinheitNozzle box 2nd unit
- 1515
- Spiralbereich 1. EinheitSpiral area 1st unit
- 1616
- Spiralbereich 2. EinheitSpiral area 2nd unit
- 1717
- Strömungskanal 1. EinheitFlow channel 1st unit
- 1818
- Strömungskanal 2. EinheitFlow channel 2nd unit
- 1919
-
Auslassöffnung, Düsenschlitz 1. EinheitOutlet opening,
nozzle slot 1. Unit - 2020
- Auslassöffnung, Düsenschlitz 2. EinheitOutlet opening, nozzle slot 2nd unit
- 2121
- Überlappungsbereichoverlap area
- 2222
- Luftströmung im anfänglichen KanalabschnittAir flow in the initial channel section
- 2323
- Luftströmung im inneren KanalabschnittAir flow in the inner channel section
- 2424
-
Ausströmrichtung 1. Einheit
Outflow direction 1. Unit - 2525
- Ausströmrichtung 2. EinheitOutflow direction 2nd unit
- 2626
-
vorderes Ende Düsenkasten 1. Einheitfront
end nozzle box 1. unit - 2727
- vorderes Ende Düsenkasten 2. Einheitfront end nozzle box 2nd unit
- 2828
- Luftausströmöffnungair discharge opening
- 2929
- untere Gehäusekantelower case edge
- 3030
- Längsachse Trockendüse, LängserstreckungLongitudinal axis Dry nozzle, longitudinal extension
- 3131
- Hubeinrichtunglifting device
- 3232
- oberes Leitblechupper baffle
- 3333
- unteres Leitblechlower baffle
- 3434
- Knickstellekink
- 3535
- Innenwandinner wall
- 3636
- Seitenwand, AußenwandSidewall, exterior wall
- 3737
- Abkantung an SeitenwandBend on side wall
- 3838
- Abkantung an SeitenwandBend on side wall
- 3939
- Auffangrinnecollecting channel
- 4040
- Luftstrahl, SeitenstrahlAir jet, side jet
- 4141
- Luftstrahl, SeitenstrahlAir jet, side jet
- 4242
- Verzweigungbranch
- 4343
- Kanalabschnitt AnfangsbereichChannel section start area
- 4444
- Kanalabschnitt InnenbereichCanal section interior
- 4545
- Kanalabschnitt AußenbereichCanal section outside area
- 4646
-
Umlenkung, Biegung, Kanalabschnitt 1. EinheitDeflection, Bend,
Channel Section 1. Unit - 4747
- Umlenkung, Biegung, Kanalabschnitt 2. EinheitDeflection, bend, channel section 2nd unit
- 4848
- Öffnungsabschnitt InnenbereichOpening section inside area
- 4949
- Öffnungsabschnitt AußenbereichOpening section outside area
- 5050
- Außenwandouter wall
- 5151
- Luftströmung im äußeren KanalabschnittAir flow in the outer channel section
- 5252
- Ansaugöffnungsuction
- 5353
- Motorengine
- 5454
- Luftstrahl, MittelstrahlAir jet, center jet
- 5555
- Luftstrahl, MittelstrahlAir jet, center jet
- 5656
- Erfassungseinrichtung, SensorikDetecting device, sensors
- 5757
- Beschlagfitting
- 5858
- gemeinsamer Kastenbereichcommon box area
- 5959
- Kanalwandchannel wall
- 6060
- Kanalwandchannel wall
Claims (15)
- Drying device for treatment devices (1) of vehicles (2), in particular car wash systems, with a drying nozzle (8) which has at least one nozzle box (13, 14) having an internal flow duct (17, 18) and two or more blowers (11, 12), characterized in that the flow duct (17, 18) which is connected to the one blower (11, 12) has a branching (42) into at least two separate duct sections (44, 45), wherein one branched-off duct section (45) extends towards another blower (12, 11).
- Drying device according to Claim 1, characterized in that the blowers (11, 12) are arranged opposite each other on the side edge regions of the drying nozzle (8).
- Drying device according to Claim 1 or 2, characterized in that the drying nozzle (8) is designed as a substantially horizontal roof nozzle and has two or more nozzle boxes (13, 14) directed towards each other, with a blower (11, 12) connected to the nozzle box (13, 14) on the end side, said nozzle boxes intersecting each other and being arranged consecutively in the direction of travel (5) with a mutually tight fit.
- Drying device according to Claim 1, 2, or 3, characterized in that the drying nozzle (8) is arranged in a height-adjustable manner and can be tracked by means of a contact-free detecting device (56) of the vehicle contour.
- Drying device according to one of the preceding claims, characterized in that the duct sections (44, 45) are partitioned off from each other and run at a distance from each other.
- Drying device according to one of the preceding claims, characterized in that the one duct section (45) is guided around another blower (12, 11).
- Drying device according to one of the preceding claims, characterized in that the one duct section (45) runs above another blower (12, 11) and surrounds the latter on the outside with a deflection of approx. 90° or more.
- Drying device according to one of the preceding claims, characterized in that the outlet opening (19, 20) in the nozzle box (13, 14) is divided into a plurality of opening sections (48, 49) which are separated from one another and are respectively arranged at the end of the duct sections (44, 45).
- Drying device according to one of the preceding claims, characterized in that the outer opening section (49) is arranged on the outer edge (26, 27) of the drying nozzle (8) and emits a lateral jet (40, 41) with respect to the side surface of a vehicle (2).
- Drying device according to one of the preceding claims, characterized in that the nozzle box (13, 14) has a flow duct (17, 18) which reaches from the dedicated blower (11, 12) mounted thereon over the centre (4) and has an outlet opening (19, 20) positioned on the far side of the centre (4).
- Drying device according to one of Claims 1 to 9, characterized in that the nozzle box (13, 14) has a flow duct (17, 18) which starts from the dedicated fan (11, 12) mounted thereon and the branched-off duct section (45) of which extends beyond the centre (4) and the other duct section (44) of which reaches as far as the region of the centre (4).
- Drying device according to one of the preceding claims, characterized in that the nozzle boxes (13, 14) have separate and mutually intersecting outer duct sections (45), and a common box region (58) in the region of the inner duct sections (44).
- Drying device according to one of the preceding claims, characterized in that the blowers (11, 12) are designed as radial blowers and are mounted circumferentially on the nozzle box (13, 14) which has a spiral region (15, 16) on the blower (11, 12).
- Method for drying vehicles (2) in a treatment device (1), in particular a car wash system, by means of a drying device (7) which has a drying nozzle (8) with at least one nozzle box (13, 14) with an internal flow duct (17, 18) and two or more blowers (11, 12), characterized in that the air from a blower (11, 12) is blown into a flow duct (17, 18) and is distributed there at a branching (42) into at least two separate duct sections (44, 45), wherein the air flow (51) is guided in a branched-off duct section (45) as far as an outlet point in the vicinity of another blower (12, 11).
- Treatment device (1) of vehicles (2), in particular car wash system, with a drying device (7) which has at least one drying nozzle (8) and two or more blowers (11, 12), characterized in that the drying nozzle (8) is designed according to the features of one of Claims 1 to 13.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202008015442U DE202008015442U1 (en) | 2008-11-20 | 2008-11-20 | Drying device for treatment facilities of vehicles |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2189341A2 EP2189341A2 (en) | 2010-05-26 |
EP2189341A3 EP2189341A3 (en) | 2010-09-29 |
EP2189341B1 true EP2189341B1 (en) | 2013-01-02 |
Family
ID=41698223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20090176667 Revoked EP2189341B1 (en) | 2008-11-20 | 2009-11-20 | Drying method and device for treatment devices of vehicles |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2189341B1 (en) |
DE (1) | DE202008015442U1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202010005667U1 (en) | 2010-06-18 | 2011-10-12 | Otto Christ Ag | drying device |
DE102012015462A1 (en) | 2012-08-07 | 2014-02-13 | Reifenhäuser GmbH & Co. KG Maschinenfabrik | Blown film plant, process for producing a blown film web and film produced therewith |
DE102013109139B4 (en) * | 2013-08-23 | 2015-06-11 | Washtec Holding Gmbh | Vehicle treatment system and method for drying a vehicle |
CN114435308B (en) * | 2022-01-17 | 2023-12-26 | 山东国通智云实业集团有限公司 | Warm air drying device for intelligent car washer |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT267349B (en) | 1965-08-19 | 1968-12-27 | Heinrich Dipl Ing Wuester | Washbow for car washing |
DE2203652A1 (en) | 1972-01-26 | 1973-08-02 | Kleindienst & Co | COMBINED WASHING AND DRYING DEVICE FOR VEHICLES |
DE3128965A1 (en) | 1981-07-22 | 1983-02-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Nozzle arrangement in a device for drying vehicles |
DE3807884A1 (en) | 1988-03-10 | 1989-09-21 | California Werk Schoellkrippen | Portal for a motor-vehicle drying installation |
DE29810804U1 (en) * | 1998-06-17 | 1999-10-21 | California Kleindienst Holding | Vehicle wash with drying facility |
FI20000960A (en) * | 2000-04-20 | 2001-10-21 | Tammermatic Oy | Device for drying vehicles |
US20050235521A1 (en) * | 2004-04-26 | 2005-10-27 | Dollhopf Kenneth J | Method for drying a vehicle |
DE202004012921U1 (en) | 2004-08-18 | 2005-12-22 | Otto Christ Aktiengesellschaft | Drying device for treatment facilities of vehicles |
ITMI20050863A1 (en) | 2005-05-13 | 2006-11-14 | Ceccato & Co | DEVICE AND PROCESS OF SCIUGING IN A VEHICLE WASHING SYSTEM |
-
2008
- 2008-11-20 DE DE202008015442U patent/DE202008015442U1/en not_active Expired - Lifetime
-
2009
- 2009-11-20 EP EP20090176667 patent/EP2189341B1/en not_active Revoked
Also Published As
Publication number | Publication date |
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EP2189341A2 (en) | 2010-05-26 |
EP2189341A3 (en) | 2010-09-29 |
DE202008015442U1 (en) | 2010-04-01 |
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